Cisco Vulnerabilities and Affected Products
Vulnerabilities associated with Cisco IOS.
Products
Clear product- Cisco Small Business RV Series Router Firmware262 vulnerabilities
- Cisco IOS XE Software248 vulnerabilities
- Cisco Firepower Threat Defense Software161 vulnerabilities
- Cisco Adaptive Security Appliance (ASA) Software160 vulnerabilities
- Cisco Identity Services Engine Software156 vulnerabilities
- Cisco Firepower Management Center128 vulnerabilities
- Cisco IOS XR Software107 vulnerabilities
- Cisco NX-OS Software88 vulnerabilities
- Cisco Data Center Network Manager74 vulnerabilities
- Cisco SD-WAN vManage61 vulnerabilities
- Cisco SD-WAN Solution54 vulnerabilities
- Cisco Unified Communications Manager52 vulnerabilities
- Cisco Prime Infrastructure50 vulnerabilities
- Cisco Secure Firewall Threat Defense (FTD) Software48 vulnerabilities
- Cisco Webex Meetings46 vulnerabilities
- Cisco Catalyst SD-WAN Manager45 vulnerabilities
- IOS41 vulnerabilities
- Cisco Enterprise NFV Infrastructure Software39 vulnerabilities
- Cisco IOS36 vulnerabilities
- Cisco Unified Contact Center Express36 vulnerabilities
- Cisco WebEx WRF Player35 vulnerabilities
- Cisco Digital Network Architecture Center (DNA Center)33 vulnerabilities
- Cisco Unified Computing System (Managed)33 vulnerabilities
- Cisco Secure Firewall Adaptive Security Appliance (ASA) Software31 vulnerabilities
- Cisco Unity Connection31 vulnerabilities
| Vulnerability | Title and context | CVSS | EPSS | PoCs | Signals | STIX action |
|---|---|---|---|---|---|---|
CVE-2023-20080HIGH | Cisco IOS and IOS XE Software IPv6 DHCP (DHCPv6) Relay and Server Denial of Service VulnerabilityA vulnerability in the IPv6 DHCP version 6 (DHCPv6) relay and server features of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition. This vulnerability is due to insufficient validation of data boundaries. An attacker could exploit this vulnerability by sending crafted DHCPv6 messages to an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly. CWE-129Mar 23, 2023 | CVSS8.6v3.1 | EPSS0.951% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2023-20081MEDIUM | Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service VulnerabilityA vulnerability in the IPv6 DHCP (DHCPv6) client module of Cisco Adaptive Security Appliance (ASA) Software, Cisco Firepower Threat Defense (FTD) Software, Cisco IOS Software, and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient validation of DHCPv6 messages. An attacker could exploit this vulnerability by sending crafted DHCPv6 messages to an affected device. A succ… | CVSS6.8v3.1 | EPSS0.678% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2023-20076HIGH | Cisco IOx Application Hosting Environment Command Injection VulnerabilityA vulnerability in the Cisco IOx application hosting environment could allow an authenticated, remote attacker to execute arbitrary commands as root on the underlying host operating system. This vulnerability is due to incomplete sanitization of parameters that are passed in for activation of an application. An attacker could exploit this vulnerability by deploying and activating an application in the Cisco IOx application hosting environment with a crafted activation payload file. A successful … | CVSS7.2v3.1 | EPSS1.51% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2022-20920HIGH | Cisco IOS and IOS XE Software SSH Denial of Service VulnerabilityA vulnerability in the SSH implementation of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload. This vulnerability is due to improper handling of resources during an exceptional situation. An attacker could exploit this vulnerability by continuously connecting to an affected device and sending specific SSH requests. A successful exploit could allow the attacker to cause the affected device to reload. CWE-755Oct 10, 2022 | CVSS7.7v3.1 | EPSS0.854% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2022-20919HIGH | Cisco IOS and IOS XE Software Common Industrial Protocol Request Denial of Service VulnerabilityA vulnerability in the processing of malformed Common Industrial Protocol (CIP) packets that are sent to Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to unexpectedly reload, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient input validation during processing of CIP packets. An attacker could exploit this vulnerability by sending a malformed CIP packet to an affected device. A suc… | CVSS8.6v3.1 | EPSS1.08% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2022-20720MEDIUM | Cisco IOx Application Hosting Environment VulnerabilitiesMultiple vulnerabilities in the Cisco IOx application hosting environment on multiple Cisco platforms could allow an attacker to inject arbitrary commands into the underlying host operating system, execute arbitrary code on the underlying host operating system, install applications without being authenticated, or conduct a cross-site scripting (XSS) attack against a user of the affected software. For more information about these vulnerabilities, see the Details section of this advisory. | CVSS5.5v3.1 | EPSS1.41% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2022-20721MEDIUM | Cisco IOx Application Hosting Environment VulnerabilitiesMultiple vulnerabilities in the Cisco IOx application hosting environment on multiple Cisco platforms could allow an attacker to inject arbitrary commands into the underlying host operating system, execute arbitrary code on the underlying host operating system, install applications without being authenticated, or conduct a cross-site scripting (XSS) attack against a user of the affected software. For more information about these vulnerabilities, see the Details section of this advisory. CWE-22Apr 15, 2022 | CVSS5.5v3.1 | EPSS1.23% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2022-20722MEDIUM | Cisco IOx Application Hosting Environment VulnerabilitiesMultiple vulnerabilities in the Cisco IOx application hosting environment on multiple Cisco platforms could allow an attacker to inject arbitrary commands into the underlying host operating system, execute arbitrary code on the underlying host operating system, install applications without being authenticated, or conduct a cross-site scripting (XSS) attack against a user of the affected software. For more information about these vulnerabilities, see the Details section of this advisory. CWE-22Apr 15, 2022 | CVSS5.5v3.1 | EPSS1.23% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2022-20723MEDIUM | Cisco IOx Application Hosting Environment VulnerabilitiesMultiple vulnerabilities in the Cisco IOx application hosting environment on multiple Cisco platforms could allow an attacker to inject arbitrary commands into the underlying host operating system, execute arbitrary code on the underlying host operating system, install applications without being authenticated, or conduct a cross-site scripting (XSS) attack against a user of the affected software. For more information about these vulnerabilities, see the Details section of this advisory. CWE-22Apr 15, 2022 | CVSS5.5v3.1 | EPSS1.99% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2022-20724MEDIUM | Cisco IOx Application Hosting Environment VulnerabilitiesMultiple vulnerabilities in the Cisco IOx application hosting environment on multiple Cisco platforms could allow an attacker to inject arbitrary commands into the underlying host operating system, execute arbitrary code on the underlying host operating system, install applications without being authenticated, or conduct a cross-site scripting (XSS) attack against a user of the affected software. For more information about these vulnerabilities, see the Details section of this advisory. | CVSS5.5v3.1 | EPSS1.24% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2022-20725MEDIUM | Cisco IOx Application Hosting Environment VulnerabilitiesMultiple vulnerabilities in the Cisco IOx application hosting environment on multiple Cisco platforms could allow an attacker to inject arbitrary commands into the underlying host operating system, execute arbitrary code on the underlying host operating system, install applications without being authenticated, or conduct a cross-site scripting (XSS) attack against a user of the affected software. For more information about these vulnerabilities, see the Details section of this advisory. | CVSS5.5v3.1 | EPSS0.601% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2022-20726MEDIUM | Cisco IOx Application Hosting Environment VulnerabilitiesMultiple vulnerabilities in the Cisco IOx application hosting environment on multiple Cisco platforms could allow an attacker to inject arbitrary commands into the underlying host operating system, execute arbitrary code on the underlying host operating system, install applications without being authenticated, or conduct a cross-site scripting (XSS) attack against a user of the affected software. For more information about these vulnerabilities, see the Details section of this advisory. | CVSS5.5v3.1 | EPSS1.06% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2022-20727MEDIUM | Cisco IOx Application Hosting Environment VulnerabilitiesMultiple vulnerabilities in the Cisco IOx application hosting environment on multiple Cisco platforms could allow an attacker to inject arbitrary commands into the underlying host operating system, execute arbitrary code on the underlying host operating system, install applications without being authenticated, or conduct a cross-site scripting (XSS) attack against a user of the affected software. For more information about these vulnerabilities, see the Details section of this advisory. CWE-22Apr 15, 2022 | CVSS5.5v3.1 | EPSS1.04% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2022-20761HIGH | Cisco 1000 Series Connected Grid Router Integrated Wireless Access Point Denial of Service VulnerabilityA vulnerability in the integrated wireless access point (AP) packet processing of the Cisco 1000 Series Connected Grid Router (CGR1K) could allow an unauthenticated, adjacent attacker to cause a denial of service condition on an affected device. This vulnerability is due to insufficient input validation of received traffic. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to cause the integrated AP to sto… | CVSS7.4v3.1 | EPSS0.354% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2022-20677MEDIUM | Cisco IOx Application Hosting Environment VulnerabilitiesMultiple vulnerabilities in the Cisco IOx application hosting environment on multiple Cisco platforms could allow an attacker to inject arbitrary commands into the underlying host operating system, execute arbitrary code on the underlying host operating system, install applications without being authenticated, or conduct a cross-site scripting (XSS) attack against a user of the affected software. For more information about these vulnerabilities, see the Details section of this advisory. | CVSS5.5v3.1 | EPSS0.607% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2022-20697HIGH | Cisco IOS and IOS XE Software Web Services Denial of Service VulnerabilityA vulnerability in the web services interface of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper resource management in the HTTP server code. An attacker could exploit this vulnerability by sending a large number of HTTP requests to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition. | CVSS8.6v3.1 | EPSS1.11% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2022-20718MEDIUM | Cisco IOx Application Hosting Environment VulnerabilitiesMultiple vulnerabilities in the Cisco IOx application hosting environment on multiple Cisco platforms could allow an attacker to inject arbitrary commands into the underlying host operating system, execute arbitrary code on the underlying host operating system, install applications without being authenticated, or conduct a cross-site scripting (XSS) attack against a user of the affected software. For more information about these vulnerabilities, see the Details section of this advisory. | CVSS5.5v3.1 | EPSS2.2% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2022-20719MEDIUM | Cisco IOx Application Hosting Environment VulnerabilitiesMultiple vulnerabilities in the Cisco IOx application hosting environment on multiple Cisco platforms could allow an attacker to inject arbitrary commands into the underlying host operating system, execute arbitrary code on the underlying host operating system, install applications without being authenticated, or conduct a cross-site scripting (XSS) attack against a user of the affected software. For more information about these vulnerabilities, see the Details section of this advisory. | CVSS5.5v3.1 | EPSS2.53% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2021-1620HIGH | Cisco IOS and IOS XE Software IKEv2 AutoReconnect Feature Denial of Service VulnerabilityA vulnerability in the Internet Key Exchange Version 2 (IKEv2) support for the AutoReconnect feature of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to exhaust the free IP addresses from the assigned local pool. This vulnerability occurs because the code does not release the allocated IP address under certain failure conditions. An attacker could exploit this vulnerability by trying to connect to the device with a non-AnyConnect client. A successful … | CVSS7.7v3.1 | EPSS1.07% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2021-34705MEDIUM | Cisco IOS and IOS XE Software FXO Interface Destination Pattern Bypass VulnerabilityA vulnerability in the Voice Telephony Service Provider (VTSP) service of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to bypass configured destination patterns and dial arbitrary numbers. This vulnerability is due to insufficient validation of dial strings at Foreign Exchange Office (FXO) interfaces. An attacker could exploit this vulnerability by sending a malformed dial string to an affected device via either the ISDN protocol or SIP. A successf… CWE-232Sep 23, 2021 | CVSS5.3v3.1 | EPSS1.01% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2021-34714HIGH | Multiple Cisco Operating Systems Unidirectional Link Detection Denial of Service VulnerabilityA vulnerability in the Unidirectional Link Detection (UDLD) feature of Cisco FXOS Software, Cisco IOS Software, Cisco IOS XE Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause an affected device to reload. This vulnerability is due to improper input validation of the UDLD packets. An attacker could exploit this vulnerability by sending specifically crafted UDLD packets to an affected device. A successful exploit could allow the at… CWE-20Sep 23, 2021 | CVSS7.4v3.1 | EPSS0.389% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2021-34703MEDIUM | Cisco IOS and IOS XE Software Link Layer Discovery Protocol Denial of Service VulnerabilityA vulnerability in the Link Layer Discovery Protocol (LLDP) message parser of Cisco IOS Software and Cisco IOS XE Software could allow an attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. This vulnerability is due to improper initialization of a buffer. An attacker could exploit this vulnerability via any of the following methods: An authenticated, remote attacker could access the LLDP neighbor table via either the CLI or SNMP while the device … | CVSS6.8v3.1 | EPSS1.19% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2021-34699HIGH | Cisco IOS and IOS XE Software TrustSec CLI Parser Denial of Service VulnerabilityA vulnerability in the TrustSec CLI parser of Cisco IOS and Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload. This vulnerability is due to an improper interaction between the web UI and the CLI parser. An attacker could exploit this vulnerability by requesting a particular CLI command to be run through the web UI. A successful exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition. | CVSS7.7v3.1 | EPSS1.19% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2021-1377MEDIUM | Cisco IOS and IOS XE Software ARP Resource Management Exhaustion Denial of Service VulnerabilityA vulnerability in Address Resolution Protocol (ARP) management of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to prevent an affected device from resolving ARP entries for legitimate hosts on the connected subnets. This vulnerability exists because ARP entries are mismanaged. An attacker could exploit this vulnerability by continuously sending traffic that results in incomplete ARP entries. A successful exploit could allow the attacker to cause AR… CWE-399Mar 24, 2021 | CVSS5.8v3.1 | EPSS1.43% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2021-1385MEDIUM | Cisco IOx Application Environment Path Traversal VulnerabilityA vulnerability in the Cisco IOx application hosting environment of multiple Cisco platforms could allow an authenticated, remote attacker to conduct directory traversal attacks and read and write files on the underlying operating system or host system. This vulnerability occurs because the device does not properly validate URIs in IOx API requests. An attacker could exploit this vulnerability by sending a crafted API request that contains directory traversal character sequences to an affected d… CWE-22Mar 24, 2021 | CVSS6.5v3.1 | EPSS2.67% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |